Fellow TechNetters:
In IPC-TM-650 / 2.6.8 section 3.1 states a test coupon with reference to IPC-2221. I am searching for the size of that coupon. I know that the ROI has to have a clearance of 25.4 mm (100 thousands). However, I do not find the actual size of the coupon. I have always used a 1 square inch size. I would like ti verify that dimension.
Victor,
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